2020 Chrysler Pacifica engine problems

Tl* the contact owns a 2020 chrysler pacifica. The contact stated that the vehicle experienced an control acceleration for 20 second, the check engine warning light illuminated, the brake pedal was losing the ability to hold the vehicle, the engine rav up to 7000 RPM and there was a ticking noise coming from the engine after the vehicle cool down. The vehicle was restarted and was driving to champaign chrysler dodge jeep ram dealer, (1906 moreland blvd, champaign, il 61822) but was not diagnosed nor repaired.

Engine has shut off on its own 3 separate occasions since purchasing this vehicle 4 months ago. First occasion I was coming to a stop at a traffic light and the engine shut off. Second time I was starting up from a traffic light and the engine shut off. Third time I was driving approximately 35 MPH and the engine shut off. All instances were on a city street. I had to press the start/stop button. Then press it again while pressing the brake to turn the car back on after putting the vehicle back in park.